Insulation Condensation Metal Roof

Traditionally condensation is managed by insulating the metal roof so that the panel temperature never reaches the dew point.

Insulation condensation metal roof.

Condensation can cause your ceiling to rot. Whenever the temperature between outside and i1nside your house is different the heat transfer is always there. Usually this problem stems from either poor workmanship in installing the roof or insulation insufficient ventilation or excess moisture in the building. Warm wet air rises and meets the cold roof and cools.

When the warm moist air reaches the ceiling it easily passes through the fibrous insulation material allowing it to reach the underside of the metal roof. As it cools it can t hold as much moisture. Inspect the house by looking for vents that flow into the attic such as bathroom and kitchen exhaust fans. Oftentimes people will insulate their metal roof with vinyl backed fiberglass insulation to prevent humid air from coming into contact with the cooler metal roof which may be at or below the dew point.

However not all homes have these things and on occasion contractors will even install metal roofs on homes without roof decking. How to stop condensation on a metal roof step 1. Essentially condensation occurs at night when the temperature inside a building is warmer than outside. Roof condensation occurs when moisture becomes trapped between the roof and the insulation.

Picture a cloud of moisture floating overhead between the rafters. While it s not a good insulator condenstop is the hottest product in the market in recent years. This in turn prevents moisture condensation on the metal roof. So when the temperature is dropping down then water will condense on the metal panel.

Check for short circuits that may be causing moisture such as ceiling fans unsealed light fixtures and vent. Line the attic. That excess moisture ends up as drops of condensation on the roof. Metals are great material as a heat conductor.

The microsphere technology is a synthetic non woven fleece based on polyester fibers that is applied during the roll forming process saving labor costs. Metal roof insulation increases the temperature of the inside surface of the ceiling. When installed on standard residential construction consisting of typical attic insulation proper and well functioning ventilation and roof decking metal roofs do not pose a condensation risk. This video shows what a significant condensation problem can look like.

If you are heating or cooling a building adding insulation would certainly be a good idea. If it is cold outside the metal roofing is also cold so the moisture in the warm air condenses on the underside of the metal roofing. This is often accomplished using vinyl backed fiberglass insulation to prevent humid air from coming into contact with the cooler metal roof which may be at or below the dew point.